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The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

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Violations

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Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	37205	Returned to Compliance	13-SEP-2023	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	37204	Known	01-OCT-2007	31-OCT-2007	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	37203	Known	01-DEC-2006	31-DEC-2006	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	37202	Known	01-NOV-2001	30-NOV-2001	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	37197	Known	01-JUL-1997	31-JUL-1997	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	17196	Known	01-MAR-1996	31-MAR-1996	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	11594	Known	01-DEC-1993	31-DEC-1993	No

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
99809	37205	SOX	State Compliance achieved	20-NOV-2023	State	System provided PbCu results to consumers on 9-28-2023 and submitted Consumer Notice certification 10-2-2023 and has returned to compliance with regard to this violation.
99808	37204	SIF	State Public Notification received	23-NOV-2007	State	-
99805	37203	SIF	State Public Notification received	03-JAN-2007	State	-
802	37202	SIF	State Public Notification received	09-JAN-2002	State	-
1097	37197	SIF	State Public Notification received	28-AUG-1997	State	-
596	17196	SIE	State Public Notification requested	14-APR-1996	State	-
594	11594	SIE	State Public Notification requested	14-JAN-1994	State	-

• 1 - 7 of 7

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC FROM NORTHEAST RWD- NV BRANCH	12026	Yes	Consecutive Connection	Ground water	Emergency	Active
CC FROM LANGDON CITY OF	317	Yes	Consecutive Connection	Surface water	Emergency	Inactive
CC FROM DEVILS LAKE CITY OF	12872	Yes	Consecutive Connection	Ground water	Permanent	Active
CC FROM CANDO CITY OF	12025	Yes	Consecutive Connection	Ground water	Permanent	Inactive
NORTHEAST RWD-LANGDON BRANCH	4274	No	Distribution System/Zone	-	-	Active
IDSE FACILITY	11566	No	Distribution System/Zone	-	-	Inactive
TREATMENT PLANT	2829	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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